code: def get(self, key):
      if key in self.dicts.keys():
          return self.dicts[key]
      else:
          raise ValueError("Not find this keyword.")
  
file_path: PaddleSeg/EISeg/eiseg/util/config.py
imports: import yaml
  import os.path
  import os
  from eiseg import pjpath
label_desc: Use image node_id 2 for calling the cfgData obj's underlying member method code with example usage: obj.get(key) and returns: self